Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

v3.6.0.2
Business Segment Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 30, 2016
Nov. 30, 2015
Nov. 30, 2016
Nov. 30, 2015
Cost of product sold        
Net gain (loss) on undesignated commodity derivative contracts $ 0.6 $ (21.9) $ (6.0) $ (53.4)
Amortization of favorable interim supply agreement     (8.4) (32.2)
Total cost of product sold (919.1) (907.0) (2,961.8) (2,759.0)
Selling, general and administrative expenses        
Total selling, general and administrative expenses (357.4) (286.2) (1,044.1) (892.2)
Comparable Adjustments [Member]        
Cost of product sold        
Flow through of inventory step-up (4.9) (8.6) (16.4) (9.8)
Amortization of favorable interim supply agreement 0.0 (7.4) (2.2) (25.3)
Total cost of product sold 7.0 (25.9) 16.1 (49.2)
Selling, general and administrative expenses        
Transaction, integration and other acquisition-related costs (5.7) (1.9) (11.0) (12.7)
Net gain (costs) associated with the Canadian Divestiture and related activities 3.6 0.0 (4.5) 0.0
Restructuring and related charges 0.1 (0.7) (0.9) (15.0)
Other costs (2.6) 0.0 (2.6) 0.0
Total selling, general and administrative expenses (4.6) (2.6) (19.0) (27.7)
Comparable Adjustments, Operating income (loss) 2.4 (28.5) (2.9) (76.9)
Comparable Adjustments [Member] | Commodity derivative contracts [Member]        
Cost of product sold        
Settlements of undesignated commodity derivative contracts 5.2 8.2 20.3 20.4
Net gain (loss) on undesignated commodity derivative contracts $ 6.7 $ (18.1) $ 14.4 $ (34.5)